Most tears are caused by trauma. They may also be caused by the aging process.
A torn meniscus is more common in men. A tear caused by trauma is more common in active people under 40 years of age. Sports that require pivoting raise the risk of this injury. Examples are basketball, soccer, and football.
Tears caused by aging are more common in people over 40 years of age.
Symptoms may be:
Pain and swelling in the knee
Locking up, catching, or giving way of the knee
A popping sound at the time of the injury
Tenderness in the joint
The doctor will ask about your symptoms and health history. A physical exam will be done. It will focus on your knee. This is often enough to make the diagnosis.
Images may be taken to confirm the diagnosis. This can be done with:
Howell R, Kumar NS, et al. Degenerative meniscus: Pathogenesis, diagnosis, and treatment options. World J Orthop. 2014 Nov 18;5(5):597-602.
Knee sprains and meniscal tears. Merck Manual for Health Care Professionals. Available at: http://www.merckmanuals.com/professional/injuries_poisoning/fractures_dislocations_and_sprains/knee_sprains_and_meniscal_injuries.html. Updated August 2019. Accessed March 26, 2020.
Meniscal tears. Ortho Info—American Academy of Orthopaedic Surgeons website. Available at: https://orthoinfo.aaos.org/en/diseases--conditions/meniscus-tears. Updated March 2014. Accessed March 26, 2020.
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